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Finding the Fourth Proportional to 655,100.19, 904,052.07 and 368,620.27

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Solution

The fourth proportional to 655,100.19, 904,052.07 and 368,620.27 is: 508,703.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,100.19 : 904,052.07 = 368,620.27 : x
  2. Step 2: Convert to fraction form
    655,100.19/904,052.07 = 368,620.27/x
  3. Step 3: Cross multiply
    655,100.19x = 904,052.07 × 368,620.27
  4. Step 4: Simplify right side
    655,100.19x = 333,251,915,877.33
  5. Step 5: Solve for x
    x = 333,251,915,877.33/655,100.19
  6. Step 6: Final answer
    x = 508,703.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.